@星之卡比 我也遇到了相同的问题：

I0817 18:24:19.258977 30025 assets_writer.cc:254] Processed 93.2024 of 360.611 bag time seconds...
I0817 18:24:29.984477 30025 assets_writer.cc:254] Processed 124.264 of 360.611 bag time seconds...
I0817 18:24:41.377332 30025 assets_writer.cc:254] Processed 155.434 of 360.611 bag time seconds...
I0817 18:25:01.028228 30025 assets_writer.cc:254] Processed 186.442 of 360.611 bag time seconds...
I0817 18:25:19.001085 30025 assets_writer.cc:254] Processed 217.277 of 360.611 bag time seconds...
I0817 18:25:32.988505 30025 assets_writer.cc:254] Processed 248.321 of 360.611 bag time seconds...
I0817 18:25:41.931903 30025 assets_writer.cc:254] Processed 279.383 of 360.611 bag time seconds...
I0817 18:25:52.892603 30025 assets_writer.cc:254] Processed 310.487 of 360.611 bag time seconds...
I0817 18:26:06.210233 30025 assets_writer.cc:254] Processed 341.633 of 360.611 bag time seconds...
================================================================================REQUIRED process [cartographer_assets_writer-2] has died!
process has finished cleanly
log file: /home/ds16v2/.ros/log/33c91c28-ff45-11eb-aff9-a0c589ac1e85/cartographer_assets_writer-2*.log
Initiating shutdown!
================================================================================
[cartographer_assets_writer-2] killing on exit
[rosout-1] killing on exit
[master] killing on exit
shutting down processing monitor...
... shutting down processing monitor complete
done

希望有大佬能够指导一下。